Part number lookup

419-03-21320 Replacement Parts

Cross-reference and compare 1 replacement listing for OEM / aftermarket part number 419-03-21320. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.

1 Matching Product

Part Numbers and Cross References

Applications and Fitment Summary

  • Part Number
  • Komatsu Excavator PC300-8 PC350-8 PC400-8 Expansion Tank 419-03-21320
  • Hydraulic ExcavatorPC300-8,PC300LC-7E0,PC300LC-8,PC350-8,PC350LC-8,PC400-7E0,PC400-8,PC400_8R_W1

Frequently Asked Questions

What parts replace OEM number 419-03-21320?

This page lists 1 replacement listing indexed under 419-03-21320. Compare cross references, applications, and pricing before ordering.

How do I confirm fitment for 419-03-21320?

Match the stamped part number first, then verify machine model, engine code, serial number, mounting points, and photos of your old part before checkout.

Can I request a quote if 419-03-21320 is not an exact match?

Yes. Use the fitment inquiry form with your machine plate, engine model, and photos. Support can review alternatives or cross references.

Confirm fitment & quote details

Send machine details and nameplate photos before ordering high-risk or quote-only parts.